预先;提前地英释advadvbefore something else happens or is done
1 The police need to be briefed beforehand on how to deal with this sort of situation..需要事先告诉警察这种情况怎样处理。
2 When you give a speech, it’s natural to feel nervous beforehand..你在演讲之前感到紧张是很自然的。
更新时间:2025-04-04 01:51:07